Home / 28,705,058.64-43,057,587.96-19,702,316.88

Finding the Fourth Proportional to 28,705,058.64, 43,057,587.96 and 19,702,316.88

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Solution

The fourth proportional to 28,705,058.64, 43,057,587.96 and 19,702,316.88 is: 29,553,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705,058.64 : 43,057,587.96 = 19,702,316.88 : x
  2. Step 2: Convert to fraction form
    28,705,058.64/43,057,587.96 = 19,702,316.88/x
  3. Step 3: Cross multiply
    28,705,058.64x = 43,057,587.96 × 19,702,316.88
  4. Step 4: Simplify right side
    28,705,058.64x = 848,334,242,076,392.75
  5. Step 5: Solve for x
    x = 848,334,242,076,392.75/28,705,058.64
  6. Step 6: Final answer
    x = 29,553,475.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.